Home / 13,411,662,577.81-18,508,489,153.22-7,390,555,840.43

Finding the Fourth Proportional to 13,411,662,577.81, 18,508,489,153.22 and 7,390,555,840.43

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Solution

The fourth proportional to 13,411,662,577.81, 18,508,489,153.22 and 7,390,555,840.43 is: 10,199,184,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,662,577.81 : 18,508,489,153.22 = 7,390,555,840.43 : x
  2. Step 2: Convert to fraction form
    13,411,662,577.81/18,508,489,153.22 = 7,390,555,840.43/x
  3. Step 3: Cross multiply
    13,411,662,577.81x = 18,508,489,153.22 × 7,390,555,840.43
  4. Step 4: Simplify right side
    13,411,662,577.81x = 136,788,022,608,857,939,968
  5. Step 5: Solve for x
    x = 136,788,022,608,857,939,968/13,411,662,577.81
  6. Step 6: Final answer
    x = 10,199,184,613.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.